Home / 274,192,959.65-378,386,284.31-156,720,812.15

Finding the Fourth Proportional to 274,192,959.65, 378,386,284.31 and 156,720,812.15

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Solution

The fourth proportional to 274,192,959.65, 378,386,284.31 and 156,720,812.15 is: 216,274,720.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,192,959.65 : 378,386,284.31 = 156,720,812.15 : x
  2. Step 2: Convert to fraction form
    274,192,959.65/378,386,284.31 = 156,720,812.15/x
  3. Step 3: Cross multiply
    274,192,959.65x = 378,386,284.31 × 156,720,812.15
  4. Step 4: Simplify right side
    274,192,959.65x = 59,301,005,780,808,472
  5. Step 5: Solve for x
    x = 59,301,005,780,808,472/274,192,959.65
  6. Step 6: Final answer
    x = 216,274,720.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.